The aim of AMESDE is the study and recovery of the memory of the twentieth century as an element of reflection, to expand the fields of interpretation of the events of the 21st century. Work on the memory of the past century with the emphasis on social groups that fought in hostile conditions for the recovery and maintenance of democratic values. It is a work on the memory of the past century with emphasis on social groups that fought in hostile conditions for the recovery and maintenance of democratic values.